我有一个实现在大学项目中做,我不知道如何avchive它!我的问题就像标题所说的那样,通过套接字将C++与android连接起来。通过TCP与c + +(套接字服务器)conect android(套接字客户端)
C++必须管理至少一对套接字客户端(android设备)或更多。 所以我尽量...
#include <iostream>
#include<string.h>
#include<sys/types.h>
#include<sys/socket.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include<stdlib.h>
#include<unistd.h>
using namespace std;
int main()
{
int client, server;
int portnum = 1500;
bool isExit = false;
int bufsize = 1024;
char buffer[bufsize];
struct sockaddr_in server_addr;
socklen_t size;
//init socekt
client = socket(AF_INET, SOCK_STREAM, 0);
if(client < 0){
cout << "Error Estableciendo la conexion" << endl;
}
cout <<"server Socket conexion creada" << endl;
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = htons(INADDR_ANY);
server_addr.sin_port = htons(portnum);
//biding soket
if(bind(client,(struct sockaddr*)&server_addr,sizeof(server_addr)) < 0){
cout << "Error Biding Socket" << endl;
exit(1);
}
size= sizeof(server_addr);
cout << "buscando clientes" << endl;
//escuchando sokets
listen(client,1);
//accept client
server = accept(client, (struct sockaddr*)&server_addr, &size);
if(server < 0){
cout<< "Error al Aceptar" << endl;
exit(1);
}
while(server >0){
strcpy(buffer,"server conectado---\n");
send(server,buffer,bufsize,0);
cout <<"conectado con el cliente" << endl;
cout << "Ingresad # paara terminar la conexion" << endl;
cout <<"client: ";
do{
recv(server,buffer,bufsize,0);
cout << "buffer" << " ";
if(*buffer == '#'){
*buffer = '*';
isExit=true;
}
}while(*buffer != '*');
do{
cout << "\n server: ";
do{
cin >> buffer;
send(server,buffer,bufsize,0);
if(*buffer == '#'){
send(server,buffer,bufsize,0);
*buffer = '*';
isExit=true;
}
}while(*buffer != '*');
cout << "Client: ";
do{
recv(server,buffer,bufsize,0);
cout << buffer << " ";
if(*buffer == '#'){
*buffer = '*';
isExit = true;
}
}while(*buffer != '*');
}while(isExit);
cout << "Conection Terminated..." << endl;
cout << "Goodbye..." << endl;
isExit =false;
exit(1);
}
close(client);
return 0;
}
听每一个连接如(请如果你看到我的代码不好逻辑让我知道,我需要做什么来解决它)
和Android的我做这样的事情的,其仅用于测试的活动称为类...
import java.net.Socket;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class Socktest {
public void prueba() {
try {
Socket sock = new Socket("127.0.0.1",1234);
// Your Java Code Verbatim:
BufferedReader br = new BufferedReader(new InputStreamReader(sock.getInputStream()));
String test = br.readLine();
System.out.println(test);
sock.close();
} catch (Exception ex) {
System.out.println(ex.getCause().toString());
}
}
}
(请如果你看到不好的逻辑让我knowit因为我想学习更多的从自己的失败)
和服务器进展良好,当我编译时,它的站立,以recive新的连接,但是当一个luch的android活动,我运行“连接类”它说访问被拒绝,我正在对linux mint工作,如果那..
我将与你coments,建议和意见gratfull。
它看起来像在服务器上将portnum设置为1500,但客户端正试图连接到端口1234.另外,客户端正尝试连接到本地主机(127.0.0.1),因此除非在相同的代码上运行Java代码机器作为服务器,它不会工作 –
'套接字袜子=新的套接字(“127.0.0.1”,1234);'这条线是你的问题在这里,'127 .0.0。1'是本地环路IP,它实际上是映射到它正在运行的设备的IP地址 – Bhargav
您的监听套接字称为“客户端”。它不是客户。您正在监听一个端口并尝试连接另一个端口。 – EJP